22797724 has 6 divisors (see below), whose sum is σ = 39896024. Its totient is φ = 11398860.

The previous prime is 22797721. The next prime is 22797737. The reversal of 22797724 is 42779722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22797721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2849712 + ... + 2849719.

Almost surely, 2^22797724 is an apocalyptic number.

It is an amenable number.

22797724 is a deficient number, since it is larger than the sum of its proper divisors (17098300).

22797724 is a wasteful number, since it uses less digits than its factorization.

22797724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5699435 (or 5699433 counting only the distinct ones).

The product of its digits is 98784, while the sum is 40.

The square root of 22797724 is about 4774.6962207035. The cubic root of 22797724 is about 283.5505520724.

The spelling of 22797724 in words is "twenty-two million, seven hundred ninety-seven thousand, seven hundred twenty-four".